shell count code lines in the directory

codecount.sh

#!/bin/bash

if [ -n "${1}" ]; then
    WD=${1}
else
    WD=$(cd `dirname $0`/..;pwd)
fi

# find all text file extensions which not in the dir: .idea/.git/vendor/thirdparty/sdk/swagger
exts=$(find ${WD} -type f -not -path "*.idea*" -not -path "*.git*" -not -path "*/sdk/*" -not -path "*rd*arty*" -not -path "*vendor*" -not -path "*swagger*" -exec grep -Iq . {} \; -and -print 2> /dev/null | awk -F '.' '{if ($NF!~/\//){print $NF}}' | sort | uniq)

printf "\e[1;4;33;40m| %-10s|%10s |%10s |%10s |%12s |\e[0m\n" "File type" "Files" "Comments" "Lines" "Third party"
bgcolor=40
mold=1

for ext in $(echo ${exts}); do
    # count lines for each type source code without empty lines
    files=$(find ${WD} -name "*.${ext}" -type f -not -path "*.idea*" -not -path "*.git*" -not -path "*/sdk/*" -not -path "*rd*arty*" -not -path "*vendor*" -not -path "*swagger*" 2> /dev/null | wc -l)
    if [ ${files} -le 2 ]; then
        # ignore ext which files count less equal 2
        continue
    fi
    lines=$(find ${WD} -name "*.${ext}" -type f -not -path "*.idea*" -not -path "*.git*" -not -path "*/sdk/*" -not -path "*rd*arty*" -not -path "*vendor*" -not -path "*swagger*" 2> /dev/null | xargs -d '\n' cat | sed '/^\s*$/d' | wc -l)
    comment=$(find ${WD} -name "*.${ext}" -type f -not -path "*.idea*" -not -path "*.git*" -not -path "*/sdk/*" -not -path "*rd*arty*" -not -path "*vendor*" -not -path "*swagger*" 2> /dev/null | xargs -d '\n' grep -E '^[ \t]*(#|//|--|::|REM|/\*|<!--)' | wc -l)
    others=$(find ${WD} -name "*.${ext}" -type f \( -path "*/sdk/*" -o -path "*rd*arty*" -o -path "*vendor*" -o -path "*swagger*" \) 2> /dev/null | xargs -d '\n' cat | sed '/^\s*$/d' | wc -l)
    printf "\e[33;%dm| %-10s|%10d |%10s |%10d |%12d |\e[0m\n" $(($mold%2*4+$bgcolor)) ${ext} ${files} ${comment} ${lines} ${others}
    mold=$(($mold+1))
done